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Issue metadata

Status: Verified
Owner:
Closed: Dec 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Float-cast-overflow in CFX_FloatRect::GetOuterRect

Project Member Reported by ClusterFuzz, Dec 21 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5960699185725440

Fuzzer: ochang_search_index_mutator
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  CFX_FloatRect::GetOuterRect
  CFX_ImageTransformer::Start
  CFX_ImageRenderer::Start
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085

Minimized Testcase (619.65 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Bim_X68nTCH3WtJaLQbZbZnAD5ApBsQQtxGPEzOo-KN-A3wJkdGIC_ntT0q9XbZp-VdaKnWjagk6L9r3K0ubxZCHWa9O4Z3VpdLU4QAhsJGsoYVSglDyWqYDpLijxWYqGaT47MQC8nTxEJ674-kNXu9ZXIpvW2pNVpa2T7rft7sfXJkE?testcase_id=5960699185725440

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Internals>Plugins>PDF
Labels: Test-Predator-Correct M-57
Owner: tsepez@chromium.org
Status: Assigned (was: Untriaged)
The result is a list of CLs that change the crashed files. 

Author: tsepez
Project: chromium-pdfium
Changelist: https://pdfium.googlesource.com/pdfium.git/+/1a1d7648d3e338b756e464cebb2ae1a815359afa
Time: Tue Dec 06 06:29:28 2016 -0800
Files cpdf_imagerenderer.cpp, cpdf_renderstatus.cpp, fx_agg_driver.cpp, fx_dib_main.cpp, fx_dib_transform.cpp are changed in this cl (and is part of stack frame #4, "CPDF_ImageRenderer::StartDIBSource")
Minimum distance from crash line to modified line: 12. (file: cpdf_imagerenderer.cpp, crashed on: 415, modified: 403).
Project Member

Comment 2 by ClusterFuzz, Dec 22 2016

ClusterFuzz has detected this issue as fixed in range 440242:440280.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5960699185725440

Fuzzer: ochang_search_index_mutator
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  CFX_FloatRect::GetOuterRect
  CFX_ImageTransformer::Start
  CFX_ImageRenderer::Start
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=440242:440280

Minimized Testcase (619.65 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97Bim_X68nTCH3WtJaLQbZbZnAD5ApBsQQtxGPEzOo-KN-A3wJkdGIC_ntT0q9XbZp-VdaKnWjagk6L9r3K0ubxZCHWa9O4Z3VpdLU4QAhsJGsoYVSglDyWqYDpLijxWYqGaT47MQC8nTxEJ674-kNXu9ZXIpvW2pNVpa2T7rft7sfXJkE?testcase_id=5960699185725440

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 3 by ClusterFuzz, Dec 22 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5960699185725440 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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